File: class_loader_hide_library_symbols.cmake

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ros-class-loader 2.9.0-1
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# hides all symbols of a library
function(class_loader_hide_library_symbols target)
  set(version_script
    "${CMAKE_CURRENT_BINARY_DIR}/class_loader_hide_library_symbols__${target}.script")
  file(WRITE "${version_script}"
    "    {
      local:
        *;
    };"
  )
  # checks if the linker supports version script
  include(TestCXXAcceptsFlag)
  check_cxx_accepts_flag("-Wl,--version-script,\"${version_script}\"" LD_ACCEPTS_VERSION_SCRIPT)
  if(LD_ACCEPTS_VERSION_SCRIPT)
    set_target_properties(
      ${target} PROPERTIES LINK_FLAGS "-Wl,-version-script=\"${version_script}\"")
  endif()
endfunction()